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1. WO2014141115 - DEPTH SCANNING WITH MULTIPLE EMITTERS

Publication Number WO/2014/141115
Publication Date 18.09.2014
International Application No. PCT/IB2014/059711
International Filing Date 13.03.2014
IPC
G01C 3/08 2006.1
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
3Measuring distances in line of sight; Optical rangefinders
02Details
06Use of electric means to obtain final indication
08Use of electric radiation detectors
G01C 3/00 2006.1
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
3Measuring distances in line of sight; Optical rangefinders
G02B 17/00 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
17Systems with reflecting surfaces, with or without refracting elements
G01B 11/25 2006.1
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11Measuring arrangements characterised by the use of optical means
24for measuring contours or curvatures
25by projecting a pattern, e.g. moiré fringes, on the object
CPC
G01B 11/24
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11Measuring arrangements characterised by the use of optical means
24for measuring contours or curvatures
G01J 1/0477
GPHYSICS
01MEASURING; TESTING
JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
1Photometry, e.g. photographic exposure meter
02Details
04Optical or mechanical part ; supplementary adjustable parts
0407Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
0477Prisms, wedges
G01S 17/46
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02Systems using the reflection of electromagnetic waves other than radio waves
06Systems determining position data of a target
46Indirect determination of position data
G01S 17/89
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88Lidar systems specially adapted for specific applications
89for mapping or imaging
G01S 7/4815
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
48of systems according to group G01S17/00
481Constructional features, e.g. arrangements of optical elements
4814of transmitters alone
4815using multiple transmitters
G01S 7/4817
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
48of systems according to group G01S17/00
481Constructional features, e.g. arrangements of optical elements
4817relating to scanning
Applicants
  • APPLE INC [US]/[US]
Inventors
  • SHPUNT, Alexander
  • EINAT, Ronen
  • MOR, Zafrir
Agents
  • D. KLIGLER I.P. SERVICES LTD.
Priority Data
61/786,71115.03.2013US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) DEPTH SCANNING WITH MULTIPLE EMITTERS
(FR) BALAYAGE EN PROFONDEUR À L'AIDE DE DE MULTIPLES ÉMETTEURS
Abstract
(EN) Mapping apparatus includes a transmitter (44), which is configured to emit, in alternation, at least two beams comprising pulses of light along respective beam axes (87, 88) that are mutually offset transversely relative to a scan line direction of a raster pattern. A scanner (64) is configured to scan the two or more beams in the raster pattern over a scene. A receiver (48) is configured to receive the light reflected from the scene and to generate an output indicative of a time of flight of the pulses to and from points in the scene. A processor (24) is coupled to process the output of the receiver so as to generate a 3D map of the scene.
(FR) Selon la présente invention, un appareil de mappage comprend un émetteur (44), qui est configuré pour émettre, en alternance, au moins deux faisceaux comprenant des impulsions de lumière le long d'axes (87, 88) de faisceau respectifs qui sont mutuellement décalés transversalement par rapport à une direction de ligne de balayage d'un motif de trame. Un scanner (64) est configuré pour balayer les au moins deux faisceaux dans le motif de trame sur une scène. Un récepteur (48) est configuré pour recevoir la lumière réfléchie par la scène et pour générer une sortie indicatrice d'un temps de vol des impulsions vers et depuis des points dans la scène. Un processeur (24) est couplé pour traiter la sortie du récepteur de manière à générer une carte tridimensionnelle (3D) de la scène.
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